<template>
  <transition name="slide">
    <music-list :title="title" :bg-image="bgImage" :songs="songs"></music-list>
  </transition>
</template>

<script type="text/ecmascript-6">
  import{mapGetters} from 'vuex'
  import{getSingerDetail} from 'api/singer'
  import{ERR_OK} from 'api/config'
  import {createSong} from 'common/js/song'
  import MusicList from 'components/music-list/music-list'
  export default {
    data(){
      return {
        songs:[]
      }
    },
    computed:{
      title(){
        return this.singer.name
      },
      bgImage(){
        return this.singer.avatar
      },
      ...mapGetters([
        'singer'
      ])
    },
    created(){
      this._getDetail()
    },
    methods:{
      
      _getDetail(){
        if(!this.singer.id){
          this.$router.push('/singer')//回退
          return
        }
        getSingerDetail(this.singer.id).then((res)=>{
          if(res.code===ERR_OK){
            this.songs=this._normalizeSongs(res.data.list)
            
          }
        })
      },
      _normalizeSongs(list){
        let ret=[]
        list.forEach((item)=>{
          let{musicData}=item
          if(musicData.songid && musicData.albummid){
            ret.push(createSong(musicData))
          }
        })
        return ret
      }
    },
    components:{
      MusicList
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "~common/stylus/variable"
  .slide-enter-active,.slide-leave-active
    transition: all 0.3s
  .slide-enter,.slide-leave-to
    transform: translate3d(100%, 0, 0)  
</style>